[INFO] fetching crate single_executor 0.4.1...
[INFO] testing single_executor-0.4.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate single_executor 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate single_executor 0.4.1
[INFO] finished tweaking crates.io crate single_executor 0.4.1
[INFO] tweaked toml for crates.io crate single_executor 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate single_executor 0.4.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_futures v0.1.2
[INFO] [stderr]   Downloaded concurrency_traits v0.7.2
[INFO] [stderr]   Downloaded atomic_swapping v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 377070836b86a3f8680391b7bba0e087177cad72648676eb1fcb204c7a6b8c45
[INFO] running `Command { std: "docker" "start" "-a" "377070836b86a3f8680391b7bba0e087177cad72648676eb1fcb204c7a6b8c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377070836b86a3f8680391b7bba0e087177cad72648676eb1fcb204c7a6b8c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377070836b86a3f8680391b7bba0e087177cad72648676eb1fcb204c7a6b8c45", kill_on_drop: false }`
[INFO] [stdout] 377070836b86a3f8680391b7bba0e087177cad72648676eb1fcb204c7a6b8c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63bdd20366e2bc8f361cd0550aa9f87b4caff288869179c86031813a1cb22487
[INFO] running `Command { std: "docker" "start" "-a" "63bdd20366e2bc8f361cd0550aa9f87b4caff288869179c86031813a1cb22487", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic_swapping v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling simple_futures v0.1.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling concurrency_traits v0.7.2
[INFO] [stderr]    Compiling single_executor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `EnsureSend` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait EnsureSend: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EnsureSync` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | trait EnsureSync: Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "63bdd20366e2bc8f361cd0550aa9f87b4caff288869179c86031813a1cb22487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bdd20366e2bc8f361cd0550aa9f87b4caff288869179c86031813a1cb22487", kill_on_drop: false }`
[INFO] [stdout] 63bdd20366e2bc8f361cd0550aa9f87b4caff288869179c86031813a1cb22487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0339aac1f3e2526eb56156531c68d72487dac556699aa054e250ab7d674646e
[INFO] running `Command { std: "docker" "start" "-a" "f0339aac1f3e2526eb56156531c68d72487dac556699aa054e250ab7d674646e", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_executor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `EnsureSend` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait EnsureSend: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EnsureSync` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | trait EnsureSync: Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EnsureSend` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait EnsureSend: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EnsureSync` is never used
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | trait EnsureSync: Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "f0339aac1f3e2526eb56156531c68d72487dac556699aa054e250ab7d674646e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0339aac1f3e2526eb56156531c68d72487dac556699aa054e250ab7d674646e", kill_on_drop: false }`
[INFO] [stdout] f0339aac1f3e2526eb56156531c68d72487dac556699aa054e250ab7d674646e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1097bbbad532452b5356c7469a5359ae903030c6ed8750252d6d7d8735bc101c
[INFO] running `Command { std: "docker" "start" "-a" "1097bbbad532452b5356c7469a5359ae903030c6ed8750252d6d7d8735bc101c", kill_on_drop: false }`
[INFO] [stderr] warning: trait `EnsureSend` is never used
[INFO] [stderr]   --> src/lib.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | trait EnsureSend: Send {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `EnsureSync` is never used
[INFO] [stderr]   --> src/lib.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | trait EnsureSync: Sync {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `single_executor` (lib) generated 2 warnings
[INFO] [stderr] warning: `single_executor` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_executor-2abfd34cc5d89b55)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::slam_test ... ok
[INFO] [stdout] test sleep_future::test::function_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single_executor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - AsyncExecutor (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1097bbbad532452b5356c7469a5359ae903030c6ed8750252d6d7d8735bc101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1097bbbad532452b5356c7469a5359ae903030c6ed8750252d6d7d8735bc101c", kill_on_drop: false }`
[INFO] [stdout] 1097bbbad532452b5356c7469a5359ae903030c6ed8750252d6d7d8735bc101c